void
print_icache_internal_function_definition (lf *file,
function_entry * function,
void *data)
{
ASSERT (options.gen.icache);
if (function->is_internal)
{
lf_printf (file, "\n");
lf_print__function_type_function (file, print_icache_function_type,
"INLINE_ICACHE", "\n");
print_function_name (file,
function->name,
NULL, NULL, NULL, function_name_prefix_icache);
lf_printf (file, "\n(");
print_icache_function_formal (file, 0);
lf_printf (file, ")\n");
lf_printf (file, "{\n");
lf_indent (file, +2);
lf_printf (file, "/* semantic routine */\n");
if (options.gen.semantic_icache)
{
lf_print__line_ref (file, function->code->line);
table_print_code (file, function->code);
lf_printf (file,
"error (\"Internal function must longjump\\n\");\n");
lf_printf (file, "return 0;\n");
}
else
{
lf_printf (file, "return ");
print_function_name (file,
function->name,
NULL,
NULL, NULL, function_name_prefix_semantics);
lf_printf (file, ";\n");
}
lf_print__internal_ref (file);
lf_indent (file, -2);
lf_printf (file, "}\n");
}
}
void
print_icache_internal_function_declaration (lf *file,
function_entry * function,
void *data)
{
ASSERT (options.gen.icache);
if (function->is_internal)
{
lf_printf (file, "\n");
lf_print__function_type_function (file, print_icache_function_type,
"INLINE_ICACHE", "\n");
print_function_name (file,
function->name,
NULL, NULL, NULL, function_name_prefix_icache);
lf_printf (file, "\n(");
print_icache_function_formal (file, 0);
lf_printf (file, ");\n");
}
}
static void
print_icache_function_header (lf *file,
const char *basename,
const char *format_name,
opcode_bits *expanded_bits,
int is_function_definition,
int nr_prefetched_words)
{
lf_printf (file, "\n");
lf_print__function_type_function (file, print_icache_function_type,
"EXTERN_ICACHE", " ");
print_function_name (file,
basename, format_name, NULL,
expanded_bits, function_name_prefix_icache);
lf_printf (file, "\n(");
print_icache_function_formal (file, nr_prefetched_words);
lf_printf (file, ")");
if (!is_function_definition)
lf_printf (file, ";");
lf_printf (file, "\n");
}
static void
gen_icache_h (lf *file,
insn_list *semantic,
function_entry *functions,
int max_nr_words)
{
int word_nr;
for (word_nr = 0; word_nr <= max_nr_words; word_nr++)
{
lf_printf (file, "typedef ");
print_icache_function_type(file);
lf_printf (file, " %sidecode_icache_%d\n(",
options.module.global.prefix.l,
word_nr);
print_icache_function_formal(file, word_nr);
lf_printf (file, ");\n");
lf_printf (file, "\n");
}
if (options.gen.code == generate_calls
&& options.gen.icache)
{
function_entry_traverse (file, functions,
print_icache_internal_function_declaration,
NULL);
while (semantic != NULL)
{
print_icache_declaration (file,
semantic->insn,
semantic->expanded_bits,
semantic->opcodes,
semantic->nr_prefetched_words);
semantic = semantic->next;
}
}
else
{
lf_print__this_file_is_empty (file, "generating jump engine");
}
}
static void
print_icache_function (lf *file,
insn_entry * instruction,
opcode_bits *expanded_bits,
insn_opcodes *opcodes,
cache_entry *cache_rules, int nr_prefetched_words)
{
int indent;
/* generate code to enter decoded instruction into the icache */
lf_printf (file, "\n");
lf_print__function_type_function (file, print_icache_function_type,
"EXTERN_ICACHE", "\n");
indent = print_function_name (file,
instruction->name,
instruction->format_name,
NULL,
expanded_bits, function_name_prefix_icache);
indent += lf_printf (file, " ");
lf_indent (file, +indent);
lf_printf (file, "(");
print_icache_function_formal (file, nr_prefetched_words);
lf_printf (file, ")\n");
lf_indent (file, -indent);
/* function header */
lf_printf (file, "{\n");
lf_indent (file, +2);
print_my_defines (file,
instruction->name,
instruction->format_name, expanded_bits);
print_itrace (file, instruction, 1 /*putting-value-in-cache */ );
print_idecode_validate (file, instruction, opcodes);
lf_printf (file, "\n");
lf_printf (file, "{\n");
lf_indent (file, +2);
if (options.gen.semantic_icache)
lf_printf (file, "unsigned_word nia;\n");
print_icache_body (file,
instruction,
expanded_bits,
cache_rules,
(options.gen.direct_access
? define_variables
: declare_variables),
(options.gen.semantic_icache
? both_values_and_icache
: put_values_in_icache), nr_prefetched_words);
lf_printf (file, "\n");
lf_printf (file, "cache_entry->address = cia;\n");
lf_printf (file, "cache_entry->semantic = ");
print_function_name (file,
instruction->name,
instruction->format_name,
NULL, expanded_bits, function_name_prefix_semantics);
lf_printf (file, ";\n");
lf_printf (file, "\n");
if (options.gen.semantic_icache)
{
lf_printf (file, "/* semantic routine */\n");
print_semantic_body (file, instruction, expanded_bits, opcodes);
lf_printf (file, "return nia;\n");
}
if (!options.gen.semantic_icache)
{
lf_printf (file, "/* return the function proper */\n");
lf_printf (file, "return ");
print_function_name (file,
instruction->name,
instruction->format_name,
NULL,
expanded_bits, function_name_prefix_semantics);
lf_printf (file, ";\n");
}
if (options.gen.direct_access)
{
print_icache_body (file,
instruction,
expanded_bits,
cache_rules,
undef_variables,
(options.gen.semantic_icache
? both_values_and_icache
: put_values_in_icache), nr_prefetched_words);
}
lf_indent (file, -2);
lf_printf (file, "}\n");
lf_indent (file, -2);
lf_printf (file, "}\n");
}
